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142112448 = 263382241
BaseRepresentation
bin10000111100001…
…11011011000000
3100220102001122000
420132013123000
5242340044243
622033544000
73343636002
oct1036073300
9326361560
10142112448
1173245205
123b715000
1323599a0a
1414c34372
15c7225d3
hex87876c0

142112448 has 56 divisors (see below), whose sum is σ = 417789360. Its totient is φ = 47370240.

The previous prime is 142112447. The next prime is 142112461. The reversal of 142112448 is 844211241.

142112448 is a `hidden beast` number, since 1 + 4 + 211 + 2 + 448 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (142112447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39393 + ... + 42848.

Almost surely, 2142112448 is an apocalyptic number.

142112448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142112448 is an abundant number, since it is smaller than the sum of its proper divisors (275676912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142112448 is an equidigital number, since it uses as much as digits as its factorization.

142112448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82262 (or 82246 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 142112448 is about 11921.0925673782. The cubic root of 142112448 is about 521.8480202290.

Adding to 142112448 its reverse (844211241), we get a palindrome (986323689).

The spelling of 142112448 in words is "one hundred forty-two million, one hundred twelve thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 82241 164482 246723 328964 493446 657928 740169 986892 1315856 1480338 1973784 2220507 2631712 2960676 3947568 4441014 5263424 5921352 7895136 8882028 11842704 15790272 17764056 23685408 35528112 47370816 71056224 142112448